Timestamp important tweets against the bitcoin blockchain using OpenTimestamps.
Send a DM to @tweet_stamp with a link to the tweet you want timestamped
or reply to the tweet you want timestamped by mentioning @tweet_stamp with the keyword stamp.

Stamp via Reply

tweetstamp.org

This application cannot be reliably monetized because there is a possibility that tweetstamp could be interpreted as a violation of Twitter's
ToS and API access can be revoked at any moment. Here are some addresses for donating if you found this
useful: tippin.me/@tweet_stamp